System requirements for CD-ROM (Windows): 666 MHz+ Intel Pentium or higher; 64 MB RAM or more; Windows 2000, ME, or XP; Adobe Acrobat Reader 7.0 or above; 16 bit color depth or greater; sound available

System requirements for CD-ROM (Macintosh): Power Macintosh Power PC processor G3 or higher, 333 MHz+ or Intel processor; 64 MB RAM or more; Mac OS X 10.2 or above; Adobe Acrobat Reader 7.0 or above; 16 bit color depth or greater; sound available

Resource masters CD-ROM contains printable .pdf files

Part of a K-5 mathematics curriculum, with curriculum units for classroom use and resources for teachers; Investigations curriculum was developed at TERC, formerly Technical Education Research Centers

Unit 1. Trading stickers, combining coins : Addition, subtraction, and the number system 1 -- Unit 2. Surveys and line plots : data analysis -- Unit 3. Collections and travel stories : addition, subtraction, and the number system 2 -- Unit 4. Perimeter, angles, and area : 2-D geometry and measurement -- Unit 5. Equal groups : multiplication and division -- Unit 6. Stories, tables, and graphs : patterns, functions, and change -- Unit 7. Finding fair shares : fractions and decimals -- Unit 8. How many hundreds? How many miles? : addition, subtraction, and the number system 3 -- Unit 9. Solids and boxes : 3-D geometry and measurement

Grade 3

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